Implement asExpression and as arguments/operator inc tests
Merge loops in desugarAsOverload
Remove as expression
Add primop/pattern 'as' overloads.
Add hasAsExpression default init in Lambda.
Fix unsigned/int comparison warning in codegen.
Fix -Wsign-conversion warnings.
Remove couple of unneccessary templates in evaluator.
Use size_t instead of unsigned for many loop variables.
Fix FormalArg varArg init.
Fix hirestimer init order.
Fix -Wconversion warnings
Merge remote-tracking branch 'jckarter/master' into signed
Remove -Wconversion flag
Merge pull request #471 from agemogolk/signed

Fix implicit conversion warnings